Steam Boilers, Engines, Nozzles and Turbines
The impulse reaction turbine has its driving force

As an impulsive force
As a reaction force
Partly as an impulsive force and partly as a reaction force
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The diagram efficiency is the ratio of

None of these
Workdone on the blades to the energy supplied to the blades
Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam
Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam

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